In this paper, the design solution of Yuzhou power plant 3d visualization management, the solution of 3d Web GIS and their key techniques are presented.
文中针对禹州电厂的应用，阐述了禹州电厂三维可视化管理的解决方案、网络三维的解决方案以及所采用的关键技术。
This system not only has conventional Web GIS functions, but plays an important role in tour-route-decision making, tour guiding, virtual reality in traveling and geo-science popularization.
该系统采用开放式的设计模式，实现了旅游信息GIS查询、旅游路线生成、模拟旅游和公众地质科普教育等功能。
Through analyzing the dangerous of water source pollution, the paper brings forward the necessity of setting up an emergency preparedness and response system of pollution source based on Web GIS.
通过分析水资源污染的危害性，提出了开发基于Web GIS的污染源预警及应急系统的必要性。
VRML-GIS is a new technology which combines the spatial analysis abilities of WEB-GIS and excellent function of three-dimensional visualization of VRML.
GIS是一种将VRML与WEB-GIS相结合的新技术，它的目的在于集合WEB-GIS的强大的空间分析功能和VRML优秀的三维可视化功能。
VRML-GIS is a new technology which combines the spatial analysis abilities of WEB-GIS and excellent function of three-dimensional visualization of VRML.
GIS是一种将VRML与WEB-GIS相结合的新技术，它的目的在于集合WEB-GIS的强大的空间分析功能和VRML优秀的三维可视化功能。
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